{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x283c141f1fcf96cd8f01bb5298222c7fcd1c5e3205dc8392206112c6e28aa9dd",
    "signature": "0x45c11567b88b8561a5ad985a67a888612389baa093c3bb5908ec7b396ad0299f0d5a660c416a4567fe8849f09c347575b459343db0a85fe823de8dc2853ab3f31c",
    "signer": "0x1472Fec023A32bFDB4d9d8dD1C920b2DD601638F",
    "userId": "452206810"
  }
}