{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0xcb233850521caf90a4cc3a2a1100577627d7b915dcba67789862c9a47bda49ed",
    "signature": "0x67dac974dfbeef12fccdd3295386a670f2171daf228c2c8f3b26fc593ff3161a51fad1644c9e39a320e1a0460ea5162487d74f5c99536b5f320ff8cfa9406c071c",
    "signer": "0x1FBc224307882c09fe4d9D343B53A365Ef6577B8",
    "userId": "153928"
  }
}