{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xebd7f3631a4f2bb106878a26b16a00b8a5435c59a5fe2d4989d537dba8a65dd9",
    "signature": "0x8e882ce3b024b62c622b249dade0d6d37eb8d9a264b7ae77bab93d64e7e4a75311d5eb70d544fc942819208902cdbf0377fd8805d0ec60fc8a920a25800b7af61c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}