{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0xb051e6b39751e65857684a62d3d5a931a53bd2b4936ed6e89492cf3c4ed4ca41",
    "signature": "0xa8ad586594277a4311067318d90ef7bf71906f97090a0d2c95b927548fbb4f5a3df816b20b2c254b4ab21dbf54a0825af7d990ef888747236c4372484aa68f401b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}