{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0xce30df856399fd18f073396cbdef34c046c17e390edad3d0563e53e426cd4ce0",
    "signature": "0xcdfe14c86acaf9491c3d471b140ab36f952cf1012f7ee864b43b7b2bdfdf861f1321419dacb2df6f66507c9eec2f0b86ad56eb7f4686ad890b8813c2b63dfce61c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}