{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "931387481",
    "entityType": "User",
    "nonce": "0x849e7996eecfe4a419cef8ea8199146911a2014fa13786ba4c45787c90b1b9f0",
    "signature": "0xb32a25c121a0774e3ac9bb930d793dfe53d7c14f8bb73ea51e07d8fb732951244ac562494d9c5fb0275436ba710ecfb1805d996bfe027a7058781e4f3e7627fd1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}