{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x1a4c65e5aa8fdf29d95da3e88377072d264dcc0be12a0d7c0bf38d4a8f1beb7f",
    "signature": "0x92247e12d5da3a0959f2ea3dd893e28eba1caee93c8f621d6c61c4df717fa7877f528533b2922ae770c857d6d126eda9895529248f86c14c5a6622498c4245671b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}