{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x2493845fb06dd864a998586325dc12c8396eef319c7ecbf45bb0b3df92ce53a8",
    "signature": "0x3361c407ec2292c4e8f4efa34ac5488287e4eae8b14335d8bb04c1396aefea6b486bd449f69a551cd6cac9ea670865b2d9d2de6d7aee5e5dd1e6852c0c9264361b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}