{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142952",
    "entityType": "User",
    "nonce": "0x928eacc48e46ce1567bdcfc2fb14be6d8b4e697f11eb53f059c4934e116f5e88",
    "signature": "0x236092c6445f2477f78c8cabf867eb74f10775d8a3b8b2216bbdaea44283cfc3149fa3d51a4ccc54941e8ff02cfe7b0015a7048bb8508b81fe67d018b488c82b1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}