{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128415",
    "entityType": "User",
    "nonce": "0xd09c2cf3abedcf5a26469d20068cba36ba0452e4822d3f89fe53b7ba5ae07bcd",
    "signature": "0xdba0f483232bfbdb7fbfbd5d718f1c69ffcc9ab252bad3b88bfb3dc7066b82012b69d2294d37150c568eeeca3f4a9fa3cd2d8a5528d923d9e91a1eb90b2785a41c",
    "signer": "0x2B1530b3d65cF43ecAf122F062803F2B3b284F5B",
    "userId": "891157649"
  }
}