{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53144",
    "entityType": "User",
    "nonce": "0x279d954538d2ee7ecda89cf9758a4697bfdb339c026529c145281c4d5eaa08dd",
    "signature": "0xd86e2b3d59284462ed3d51a27947de169f48a7022ffdc85514df0a14cbf2f0fa17cf08a2858e9bc09cbad01aacf37875c634391ac884c9fa1abb58147967a0741b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}