{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131735",
    "entityType": "User",
    "nonce": "0xc9b4f56ff5704b81258b0a348aeffb9c8de33badf4e44e13229b591d4faf2d7c",
    "signature": "0x3f3c893c0db93b30a078762dbf15832024b515a3f818b96f674651d639d9bf5b3bc77b5f462f6454d0f080a220d717e39ed190944737d40209ce7d2a8e66ee1f1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}