{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50530",
    "entityType": "User",
    "nonce": "0x695fde53da10023d1da6b7a20093ec3598234bcf6490929c33346f4e32f57849",
    "signature": "0x38d4ef58da2aaa7b24edc4ef158d281d6647c6c7329158c99648297140c8a567145f0e11af28d36ed577f80d1ce5c700ed1d7223306b8318647132d4a6a6605f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}