{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295993",
    "entityType": "User",
    "nonce": "0xa11331cf01dcd16c284c43b1c8868e29317eeb2f4ed3912e71900c6c9880b4f7",
    "signature": "0x780330ca4b943d6b64b094ff4232b365a33cf90da5621e023673cbb6238c354901f21038609b39f9a6c1bcf51417650104e1dffc4822e4bd5cc758624fc1abb71c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}