{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275858",
    "entityType": "User",
    "nonce": "0xca2892aa70906e6fcc5a2fc8d1b5d4528e6d1dec5afd024f2ebf4d8b9f7e0879",
    "signature": "0xd29cafa1b3bd454f8c85e007a72b998a4f6afd3020d7bd0b912ce1717348fe2470b6176f150f8be737dc170e19ca867fa94fca40c84dbd168f13ed144c91d9e81c",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}