{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1786871",
    "entityType": "User",
    "nonce": "0xd3fd440adb308d856d1d6e0356dbb26e4b23ee6701fef6c57dac164fe5840480",
    "signature": "0xc2a755a9c0ef2f1b1cdd8e43b805ba986871ef2bea532756b2a94ad59ad70c7931a710e7590dae291108d7c79a8021a9748a39a0e82067e96adb4658679fe0681c",
    "signer": "0xAaC345b281936C4DbF475199566cD620F4e69920",
    "userId": "64989989"
  }
}