{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389016497",
    "entityType": "User",
    "nonce": "0xefbd6be9850060182c9f418b0459f2aec565e1f736a30425abe664c46f91c09c",
    "signature": "0x105c7300d356f371a95475ffa6a08b510e7f5f4b6286eab6715f2dc6af53632f320d501fe73bb199fd6f71eacffdca63c442ac5fec328abeada24727554055e61b",
    "signer": "0xdEa655B0BEDD55605f1a7F99e27f7c00610c0B32",
    "userId": "594690301"
  }
}