{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183891",
    "entityType": "User",
    "nonce": "0x28aa4711f4dac972a8adf1eaf64656665bb92df4aeff51c2df7cf08c7f9f5aa8",
    "signature": "0xa063cabe329aac7bd803da439a8c40ee36d1c382abdd646b6aa76e17c52207ec5c9c15f90be8897f2d218840d23b789990748774f5262fd0c74605cbe3df80261c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}