{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x1dc7481abcdcfa913bd53109da03e32d007f129e765b3052a6a7c2f3daed3ce9",
    "signature": "0xa42765b1bd0b159070d28fa1c5b9341de048475e60ecb3180dbaea78952426fc57a4458a7ec386e72ba4d43f822b34ffe83a67e5043f66955b2ff71551985acd1c",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}