{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x1718b1ae928b1033eef7e345c9b74b884ee04a94469f814e271857defaa613f3",
    "signature": "0x9ae1bc3046577b3d14ddc062713f38c1cccf25d32e85ead022c17e380e5387084d59c82c5c897399284de9d8162fce9dec6f60e908499e4d5859e8995c7c61631b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}