{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "901788935",
    "entityType": "User",
    "nonce": "0x23e97a0dfc82b9d999a8d9c222f3f5b7ecc3d5b5259b43c210126f8f0dd3ab27",
    "signature": "0x95039f50126ae0d95433e7ddbc4239ee5ba0cef21cec1e552c0a5e8b0c4f7a01078f4dde5cddb1a2681eb56cf7a2b728375c8b8c0fc859c503a93657e54871261c",
    "signer": "0x4a57e2DeD165f5711bbB2bFF6253838BcFee1928",
    "userId": "268361684"
  }
}