{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115979597",
    "entityType": "User",
    "nonce": "0x55a8cdbcba4bd93189d2a5543335776e9a16b253f14f6219d4e867fab06bd8d3",
    "signature": "0xad86ccfc37a7af9a51296886e2475cbec6a0f8b681b0d61d3d925b81eba4efc3766704bb45fd30daa11bfa815d8b5370ec2dcd15cc5d310ff6cf5507b8fc425b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}