{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266305231",
    "entityType": "User",
    "nonce": "0x0acadb9f8ee20d12d4b8d1c00960adbbdb0000d81d6394639573477cfbc45a4f",
    "signature": "0xd5069322d5eb4fb79d5bf77eefd5cc550b3567bc3d3f75b34783cfb1b79f0159041e3a5ac129f9ab50ab29da6aa9a46b02eb3a15d248557ff0b5d42061c583051c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}