{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353792",
    "entityType": "User",
    "nonce": "0xdc4b7b2cdb4a6806bf030a06acc8cd716a2d7aaec193af8cbf73d63aa9a6cee8",
    "signature": "0x57658cee5ab13f735525b9f27f66ce956d518cb6d6a7b9f9ee3de27c69458c9652cefa4f274e48bd22d45339cd1d27a5a0614b8020599103f4005419be319c9a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}