{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277994",
    "entityType": "User",
    "nonce": "0x9bced47dc8da7047a4d8ce7da274032d0bccecde855bcfc2424dce2a91a8255b",
    "signature": "0xf6a66c84b25d41450708746f5467a6a623eee9a1c3c0ace7c2060143477bb52c63daae6af400e67a49953f65e171e4f395f681f5e63c72c55177c4bb14cf930a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}