{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97219",
    "entityType": "User",
    "nonce": "0x6c189a82efcf4d64e75c2b84ffc1def1d2776f0f5d46f91352dbfe6091e4e530",
    "signature": "0x75645c8ffb80df86e462574573b718e54be1e2d129a8b071515745fe8d2d4fcf3c343d1da95b7157f5b59f06a1bdaea78115cdf35aec3dec5ac2dae32c5602751c",
    "signer": "0xf75adc45948144ee7d18bD5B4AEf863989CB88E6",
    "userId": "798360139"
  }
}