{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "260118392",
    "entityType": "User",
    "nonce": "0x365a8a41683126a4d24c8924f319531c80a0684a8019b3aa03009ced50384449",
    "signature": "0x3ee6e1c6a660eb9bc1450a9bb30ac15c6befd399f78cd27528b5aa90cc0b4b1b25d21d2a20d5624a88ace8ef04965d098c18e59356de4e8f6d71da6a5698ce101c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}