{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "568518925",
    "entityType": "User",
    "nonce": "0xc446b47c852871a9ab6915917fb147099efdcaf0132ef3a97709d654c0dcb3eb",
    "signature": "0x76d65ce0f345ae21c084cd60b660c1bff9eccad775cef98521fec214b5b181932cc1dd0d8e6c9376db5315cd42c7ea9cc0d77661fddc2cf6f51f4b7429ff90fe1b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}