{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0x72d3503be8413ee056c9348f40d4a1e41ab00e294af7e3ac64e99f4dcff5e2d7",
    "signature": "0xc734045df534e2ba92d82e4e2fdc221a3de969fd904f3ad8a49b1eee693e0a7a4ed82ca85703b14d3ed5b9c3e02eb599f117b7d314f21956d484297bbae3dd0e1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}