{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205458",
    "entityType": "User",
    "nonce": "0xa1a2d3fe415d33f8eb083b61c87ad1e4f1a8d0e62b6f1c02c58742ffb9ff16b8",
    "signature": "0x079e31982952b40d5d9358d4ac05b47b7ded66b2d840ab6401107c5671e9b9d354b6271bb78bde899d3aedc42854d09887cf2c77f76f2cd1c43b89972e654ad91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}