{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xfdf54e27b8b9316823b1e1482489671a061404dc15445fc9d49938c3b275b63c",
    "signature": "0xe231ad18bac22b75189b2b3e8bdadb156da1f3a1a01b3be7093ec225056d31bb7d35b22e74d81fd724146e2284196b9fedc03a23d1d692699f000243e7b486c01b",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}