{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290062",
    "entityType": "User",
    "nonce": "0xd440c3dc8d6e66253ee93fe8d3389617f91771a288f77312c42ee9cd53d6c9ef",
    "signature": "0xfd9e0088fa80d7c190b256bf11f23846dc1c6a8f77e3d1dd69977e2c48590f9411f98e502686a1838f3aafa1e832a9a2b69dca04be84694adb06559a5e16485f1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}