{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194079",
    "entityType": "User",
    "nonce": "0x29ec097183092059895d4de3fa0aa383cab6376fa4b1508f0cf2a4936ce88e22",
    "signature": "0x17604677d1466ae20f5eb1ce88531928c1131ed0b1e836ca890287181f91cfde4a9f1ded941da554e603aaefeab67c7a568e359160eadb269da48f6bdd3b4f191c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}