{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1855818",
    "entityType": "User",
    "nonce": "0x9d2133c1930880daebd1c86b4ee25416c19b5798c87716b1f8faf9890b1b8742",
    "signature": "0xeb69fcc0909228d996e11ee2ef89e3aaf85d29a093485e6aa48e3e0612035bb7490c3116c1ecfd22a367f0e1a9872af3d8d461877047e6aad85352be30f611601b",
    "signer": "0x6D083A8068F758f0b1EcF99c1788D7F450A20F5d",
    "userId": "977294736"
  }
}