{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x226b15cdf79547106eed49acf17c626f3eeaf96bae3048168d2356a33989fb78",
    "signature": "0xca209d5254621e26526191579bd18509406d8e23116d8bcc5c824a5985380000133325368760a5886fa7eb7bd89d4a036b7cf373e98f3b8d603410258d476ebd1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}