{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x03be4dda32602cfe66d135953f58e2d76592f73deee39ba40cf2b0698c1ec4d2",
    "signature": "0xe494d00a2b609390184111a3e8e4a29bccfd92cb7a38677275e50b3502496d9c0824e8707acd78584b2e3ce558cdeec40d5c3e27c48b03e10e1b56d71ee675201b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}