{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241173",
    "entityType": "User",
    "nonce": "0x9044c6232666b107f0d5fd2a2eefe2ae640ca8f2c4bcf3f0fc942d9e609bfbe4",
    "signature": "0x576389456f2b62372f9ae2c1966db118ef6b3b30f5c86e551732504b2a3b125d743c77f5cf735479f2d9dda65af02414892deb59f30548781ccc98f87c921c7c1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}