{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "823446",
    "entityType": "User",
    "nonce": "0xbede9b7726b3b4c22a22647fc659d7912f863829356bcd7dfa6449e680bdef1c",
    "signature": "0xf3ed9638547ec717afa498d0dd3272e0d4533ca356fb065d6f433ff137c59605473881c46a58c2fade27f0a8d9041ce1ee3ddb3b33d6acbd4926692b72c6e2f61b",
    "signer": "0xA7580A84981dB6d0BEE9b129469b3BdA2311cfBE",
    "userId": "105644392"
  }
}