{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0xf9c8d82671cacfbe1e214c5592995a8f594cb52e4c85d7997461033a14b50978",
    "signature": "0x8996db3762ce45acff61ee28cb4d42ad5088219be0463af28ccba49b3ed23f83797757b5eff59bfda1a80852856bd4f5743cc63893abf101973102685792ca771c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}