{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105773",
    "entityType": "User",
    "nonce": "0x577a1351c3e3bf0f60aadd8f2b6c5d035510b7df15e943025be50006b5843e4e",
    "signature": "0x3c953c9596d07eb40aa532c43df5816bb028340c5c19edbbf288d65097d1045b2fef17cbee6a279c7b4058c1d1b849dade0b0b822000ca27ad46a381f75f13ca1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}