{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "634886384",
    "entityType": "User",
    "nonce": "0x80b5b1a257054d2e4839411f76fb21a3962d2069089439072c527f3af7cd5652",
    "signature": "0xdaba6bc3ca5c68051d64e284e10096112747dcf7e53efb809626b2d00b52142c63d9993525884537a2339c194f4c2771c70a8d00dcf762f49f047c42984a61a41c",
    "signer": "0x7c2f6C8E39514CA33Af557b55Ae76A43850B28f5",
    "userId": "317425703"
  }
}