{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51425",
    "entityType": "User",
    "nonce": "0x4cc3ff89c1bce62b06fca020ce295d039228af9488b8b7831f56fc166683c85c",
    "signature": "0xa3e37fdd1dc9ce35197e43c5edf8887a6eab5ffd14c6763079d04edad7aa6faf4affeac8cafabaf72dab858a7b4d5830716425adfa41abd31f463730f81b39191b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}