{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76731",
    "entityType": "User",
    "nonce": "0x2bae403a57d52cadb61705d3a7f882903dfac0b0da4e33c9bba6fc201ecb8043",
    "signature": "0x1a8a40163fde79251bd85c7de29bb8c4c5c6182aee5dac7d8433bc5991bb79cd628e67a408a890df9fd3d21a808673f238c7ae76f19969f486f696e93e9030481c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}