{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "21272336",
    "entityType": "User",
    "nonce": "0x3115176c1a1d51d10d07f3ee71721470f2c86264a3124e5391ca97b99a14f73f",
    "signature": "0x64c7e5242869af4c9112ffa400b2b7f756e67a65dd271a60a35edab349ea495f26bfbce778e0a0c2c4863320ce3dde989ec2f58e36c2b07a805c217ec777ddbc1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}