{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275210993",
    "entityType": "User",
    "nonce": "0x41a4558202284d530a0659e10dcf6692dde8652af26ccbeb9adf5bf56ca7b070",
    "signature": "0xed83ef6597247cd00a4bde37e8aca33c36858a89c857ed3980ea5f37e41dabe54355c191356cdd573a959ef1232cd2a8d09b4fb6f6e696c4cc36e7f268e5979c1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}