{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11159",
    "entityType": "User",
    "nonce": "0xb48d43809710076a3cf7fcf188fd9e8894681a83adb5253dc943cc5f7566d0fa",
    "signature": "0xf1182e0994957b5bcf81450fb88a35bb7f18db2de44d9a8784a27294298d7168126c07253caaf15385a4329ba21ad7892fc79321ea26c485a53c8bdd324ec8681c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}