{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0xdf2eaaeba25e5a0765cab2479183d2a7c11fd129c23db333bb24c1858dc872b0",
    "signature": "0xdc5c8e537ec09116243e1fa0d0a7c15b5d9d37695370c00f0961c2f1719fb78c34d9ca2c3e1fe0920add5f6e22926bb1fe86cb54acf7afd2c4f34ae505d1795a1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}