{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14640",
    "entityType": "User",
    "nonce": "0xbd567a608fd58a58bcebe02afd0c359ff7fc96bea7bd148c633f727013a9cd6b",
    "signature": "0x16201ea7e766a5dac811aca09f03ea44ae30091d7d72427d417cdf4f67852eb050450e5d750f98394fa7fe3d2873d996eea2311fe18b78c782353889e1b27dad1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}