{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x806597a935725dd83ca538c20c6e95878fb1fc28f0fe2c9b11e7a9fb730b3540",
    "signature": "0xfada6645607bd87b0faa1094aa04d4f2ec0c0260791a13268deab0cf68c54b9e6acc8f0e36b7cfd371a7046c4b97cf6caedd3e2a4b63cb63b29cad256c8c23891c",
    "signer": "0xA7E9e79581deCe6C725e088554Da8fdf3b1edfAc",
    "userId": "338745876"
  }
}