{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125958",
    "entityType": "User",
    "nonce": "0x5f84eb85de52305ff141e23e77ddc2a85ee69026250f4f60746e790af624080e",
    "signature": "0x5859316da57b0baef0fc0746840eb10bd71a574ceed1ca241a29efa0acca3ecb10825b4d3c2897409f888d4e9892915a06edcbab7d00bf139b0b70515fd993591b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}