{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451691735",
    "entityType": "User",
    "nonce": "0x1d526bacfa47856295bbe683a3defa9aaf693db820c95a0e806b7f4e5934a74a",
    "signature": "0xba1fd5c773c47583a79dccb92f135f75b5cdc734b3b878a0a1efb7c198e7acfd67b793843e9b05f4bd484dcfdb4a073758e4640486378fb5518c3d6b00f15ece1b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}