{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7979",
    "entityType": "User",
    "nonce": "0x549b949d137a4863ba3daa61a626e57cb4c044cd968e77c0bb4798eada85c0a3",
    "signature": "0x13d41fccd801b821c94f33e2adef8bd0222b880a8b221bdc961bf9fd8dec484e3f838263226245f29ef3e0c2cd9804dd443c9572248f3501ce0e28a1db79b6a31c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}