{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "46941214",
    "entityType": "User",
    "nonce": "0xcf3e97a3bc1f47db5ca64361661f15e1d0b0d907fe5016f82fe0fa9eaccc9ab1",
    "signature": "0xd879aa5bd328bec2dfd8cb78a078070f190898ed18393832dd92947c0a05f59a021ab9d8bf7794ec31ab3c94a6bdeb4b4662d3e84e9847a49a3767ce508b5fbf1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}