{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x8e35c2316b1b526f3ca4d8021206a0a9ec8e08e20ad36c4f363bb8ff80546400",
    "signature": "0x7007725207dc6e5d72958c68c17aeb54cb2e0f2c93f4091762193719161d8ad94554548d99149481df4dce741f4837d00b448a09059de5375e43da9576cf2ede1c",
    "signer": "0x967A35Ecc3e57C43B13DD23C4Af7318374917dF2",
    "userId": "679040863"
  }
}