{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x484ad14aa773938090363f80f62cc194124f404ff1e7bd72d35d7641832cae47",
    "signature": "0x4cea7a51091fc6c08440b1e19c40ac794092fda1f73df32d3799189c8b0a9ee7083c636fe7ad31492ccf79b0284c9775d889825373569c8702f2ea80efc9f1d61b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}