{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155610233",
    "entityType": "User",
    "nonce": "0x382f10095a68be206dadc4f9b02fe82df6f8ed21c890c0b2d3f127389aa4e741",
    "signature": "0xda9894641cf59b03f30c7dfff3ad8770d3739fd9cc7cfdf36b22c66f5275bbfb7dc26a37167d7209afac5407649cefcf4a8862c828ebe49d16a147f1e5d8e4611c",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}