{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x464fd689e509f535fcbe67479ed680565e7d395ddadcf9f07eec3b43031e61b1",
    "signature": "0x4716f794599d8a7036212a619a12373eff7a3d3a0471da629f2e6ea854858d6f0faf9e43ff00c785a4a42fb7655f58e80ce6c2163bac5f11e8b6c6fb27b341211c",
    "signer": "0x700192Ed1eAF4C3D6E049F3b29D1ce21365e61A6",
    "userId": "980397349"
  }
}