{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237978",
    "entityType": "User",
    "nonce": "0xc0fc0ff1dfeed2b96e0c7f4de655fc2275096bbbe266f8d87605b1f6552293ba",
    "signature": "0x68aa1278dcdda084d4c99622b9d5ad88fa05781223dd1da830eb75c70320e9a054d539d58ecfa9b5140cdd086cd88a50732e81623a3a96f417b747b8101307271b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}