{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241720844",
    "entityType": "User",
    "nonce": "0x9d00280bb75981ac489da510236daa4cbd8ebbe7f1cde76eb03904605b9db437",
    "signature": "0x9fb6297cd078ff915256d2f60e622a00ee5acb09aaa60dbbafcc8e3a1afbb3b9308069c48aa7f5a582ff40d69e9c333e2efa475adcc601b2551913dab98b1a851c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}