{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2856",
    "entityType": "User",
    "nonce": "0x430360ca5c6e42145a582d6b5675eb961aa44a3ba8c8ef9983e8c3ed238212f8",
    "signature": "0x97120928e9fa23f51fb179c2e54a50be44149560fb935be2a698cf63106405c36c763f6296d6e0073a8d5e52ed6de16aa4bacca6a7cb61eb753aed88262904d51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}