{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0xd17ca933a78176f6bd83f52f796627d807ee2fd043e09ea583efa863504d38dd",
    "signature": "0x6088c30875595ea3c4c3b99cb15e888978e8b69342f9ad1bc63e42094e9b12dc6ae7cc5e8816765e813684791a4a2c4bfef48dc2056a32a2bd19e53fd2eda38c1c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}