{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182902342",
    "entityType": "User",
    "nonce": "0x2311d567cf93fb6abcb4fc136b02255ea49348a7a02739bac6492dbd36898af3",
    "signature": "0x401012d6f61901102b8b097ef335163a4391347c78fdd9ebceb675c9aebd19b84bcc0d2dc2d7764f8028c7115f6a6c1b9a1145ea9869dbc4c76afe8aad8e269d1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}