{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7f0204458c5a6cf8f1e620ae82fbc910360b0e04b75797e3be71f5a38c6d560c",
    "signature": "0x2cbcf0c82b6eb15cd1408c6569711e454e42ce58674fae8c2e5af17f2bc4bbdc02eacfc4b2c5431e2ebbb1e43e0d56f4d18f343e15bb648ca7d92e2ea9fb64c11b",
    "signer": "0xA317DacF9911eb60f0f24B6d0C1891BbdC17525a",
    "userId": "696506538"
  }
}