{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1365072",
    "entityType": "User",
    "nonce": "0x18debbdacc3d1d4f69d69ecb49b26b526d88adf9d85a2dec5217698509e39ad3",
    "signature": "0x68b3fe4d004f10bec8ce3a7eaaf2cdf2c74be5150c7f51b2e1a216cabe4bd8743020ef0c2836e02152f6ef4f1a85162d21a0712b2b957b93640e85f36ad9aff21c",
    "signer": "0xf0CB0bE09587831c3cC7689f3e01De1457073033",
    "userId": "743836779"
  }
}