{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20583",
    "entityType": "User",
    "nonce": "0x36f21f50d0eabd5def19ae0f6e0ee715cf968662abb3c59ec5e71f1a50c6b7e6",
    "signature": "0x49cfdd0fc04886ebae0841187333931be3a90250ed1e956fe06d491644c7278a0da60051756a47e7efd496af011a1d320a9256978a167677b571a9406d979a8d1c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}