{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1028",
    "entityType": "User",
    "nonce": "0x4f03be6483ac6b16070e46f47855926e788621e8e69954de433827b2d34b8a5c",
    "signature": "0xa7d8f93ffa9303ecae455ffb501ed3c09ebdd52146fce955864f449cf75bf8804e5cdfe74f239413d627d009b41605db57f1a8ffdd8315a97aa8834e485adbb11c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}