{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209691332",
    "entityType": "User",
    "nonce": "0xf6f543bee911a8e6a463776ce2f1149f9c60706c1acc94ebf4aec5cb465b26c5",
    "signature": "0x2a2c0d48cc60d5084b5307cd2b9f063609e63333c11da93183a969e229b9ba08161a4e161186fce148037ad9f8acbac315839bb03a7d1f61fddad955d738add81c",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}