{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18389",
    "entityType": "User",
    "nonce": "0x79d3725c3711f9fc609063ff894010e0e2027f5a3066b2022ede61bf97b014f8",
    "signature": "0xeabcbde72a88e997b6764bc3ad1136ffdac3bb25691a2ef84afd4a3e205cbff0791cabca33e3e9edad3320aa2c2d46d00c7fe175ae09f39daa3c12a4f0bbf5911b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}