{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0x3b0401e7d33a2f05b443a1fa9e17281a3d56902ac45efbb3398f5e698ce54f0f",
    "signature": "0xe9a0acba44f69cffeb53c3c52126a588ea5c5b84bb2f93defd94787104491055767d2d96f3b0addfb1332993f6285db4ab19e36f74d979ad66bd4a8b64de6fa41c",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}