{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0xfc6ac66f364d91cc041dc585b4ccca63c550dc4c4c5ccf7f6724572a266423dc",
    "signature": "0x92df6fa273dce794e8e2f429391e5b5657e103bd4079006d8e071ecc77eac740289179b329f8e8dc88ef3033f44ce937b46f8c189d75ebbff1b26bdc3ff56b031b",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}