{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294181602",
    "entityType": "User",
    "nonce": "0x801887433b0ccab988def113936674001e7f156f010c0798bbc1e9c5d60240bc",
    "signature": "0x4b69b9ea9221897c6273c52e72d8ee701be1f622a8349ddc001901631e58a6bd3772ff074a580ea2e731a40ce2b08a8666894546751e87a89b2955f4361c97e71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}