{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144079",
    "entityType": "User",
    "nonce": "0x6adf95654db5af25937555fb8cfc0b335a48432bfb1297511e8ff87cda85fdf1",
    "signature": "0x9738aeeace3ddc3ef0348f19dffe5599ff4d5ae445d454199ecbacde2b601dcb5e3bd3224379b38ac2546844683b9d29cb256b9aeac07edc4a10d39729935ed81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}