{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996794",
    "entityType": "User",
    "nonce": "0x369ddcc16e84d51d0dd784437fd5f98d9dab82df4ed1a6c00eff52e6a398e582",
    "signature": "0x08b1fa811f663af20639bedbb534fd87d038fc125e84ddd04a27322225be1f03683edc59c35642935c5ea13ffea910da389d2dbe5ae626d5842733cac04eb2be1c",
    "signer": "0xF9A267063636e5295A309bF3288F88Fd820236fd",
    "userId": "534045189"
  }
}