{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238779",
    "entityType": "User",
    "nonce": "0xd2a28979a9503bd84b91249dcb93e19a7c9f008168a2f2872c756a89bded16b7",
    "signature": "0x3312b5792d8ee032c2583cb0ae4bc892084a3d1a20ac4569c2c80e7bca97208549393fc1f145800ec2a8613f782b95f38af5ffd081fea58fa6dd91c052eb14c21c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}