{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x0d0fb46b69748d0069d1d9337a6e7b382a763fcb9a66f7cd3dd1766d784702ad",
    "signature": "0xb665121f7e824bd29b242c476ed5ef94a5c381ea2550c0e296befb6898c7601c2a9447ebac52f0fb4ad22f4b12d8b9b88c2e436b1bcf25c51242630b5e6338171b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}