{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117649",
    "entityType": "User",
    "nonce": "0x3caa96d77a147fa489451ff6e761dc621da2c92c81a25a4d639e5feb2808c3cc",
    "signature": "0x614e873d9aadee5a83c51c951a4a33a5b44a9ba1bf951513b5c9a3245cd0c0306092413d248c24e2824e5d10225c3748307d0e5a7069b7a7054f5d3acd0095491c",
    "signer": "0x38b7AB9474A04dF6f214127Fdf6c1ADaADF5926E",
    "userId": "571039733"
  }
}