{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x14df7fc5b48ef043c3683211bf44b9556cf3d1f5dd57b3377f0f3812d52f487f",
    "signature": "0x6dcd65220553df684be2e2c52d7db26e547027ce3b92d6eebd42fd89a2d7b27f0a4ccf7f9f6b6d53f3feed379b5a05790b2da13a53c559eb848969796433d65b1b",
    "signer": "0x2d1300B4802949018fd49e1CDA52148d6f330890",
    "userId": "247180653"
  }
}