{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54432",
    "entityType": "User",
    "nonce": "0x6d277b39c342abfcd288fe90287036f0e7292708b5962f45072a73d2c4035568",
    "signature": "0xd92c9edc12b4733f227d48441cd5ca299569f280d10eab1e6556021695789db55fcbe756a6081427331a66af588029f5bd81cd3674e379363597cdd1865f117d1b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}