{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758745",
    "entityType": "User",
    "nonce": "0xe220a42de21311e20c3d65934b830328f3868c87a979b85474b09e1a5007093b",
    "signature": "0x18535edcc1e8f9a22be7b4e4396888b10cef0dc22961f71048e67749d488cff9318ecd743be6a1342761708666602d12f419fb5bfe2b720f10d1c8da5a4f10831c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}