{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162770660",
    "entityType": "User",
    "nonce": "0x7c873231e1d8e1a99ccff3e2c2571d2c851983228d3a44fa97df9a08da7463be",
    "signature": "0xe060e436731a37a1813cbad3f4d19eeb18fa4ca879d89e59458a7705ca702428549d0f5be975f0a3d7de52860afdeac16021592fdc7c56d1f097fa9ae695fb0f1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}