{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "701497",
    "entityType": "User",
    "nonce": "0xdc8747eae5589a1ded14c59efb64139fc65819880ac2f14aa8db9d84af4f915a",
    "signature": "0xf8c11b659ff1173c23d105782e1ceab33ad6b1649a1a51827657ba6cf9dd10b667aec6a079f2db49a61178116b54ac42c6504a7bda506746da8c5fee0f1286d81c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}