{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "213156104",
    "entityType": "User",
    "nonce": "0xac7b6a74b673f97386630d469edb21b9f73d0efa22fdfeb7eaa271c361dfd45c",
    "signature": "0xaf51b93b1f6a9fe91a51f56effcf1c848e5c727432eb817437d0d738c0086f0b74eca98973113a4ad2570a077a96c2d42af99bc5db88eb381d79323ebdd57c531c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}