{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205159",
    "entityType": "User",
    "nonce": "0x5ce46c8e6398cf10fc1af30e3a5f0c75503c7c1e351acc30e2c84816240b20fe",
    "signature": "0x4904a4d08e8f720fc76d69a45018638c038b88bf46432989a1da926b058e6fa13beb17bca0ed2a2063e5583aa013ca441d6c5d34f42b00e47e5c870ff67f69501c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}