{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0x37a00288d48c766b5eb032ee8bc39fa3213adfd7a54d38b6208becdf139a3c1c",
    "signature": "0x4c77ab75d06c228c13cbab34635fd24936e7770c13fb8bd9f75b5df9aee3ba4a6bdc2c0b323d266884b205004ad0b8fce512a94427d1bd4d9432e263d1a7d7d81c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}