{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x20bff570af263b682dab88d70e10c5868b45919a4b18320fb5e24064b149fc15",
    "signature": "0x08550f719da4ad3f89ae206b63c3ab4c93bd6e4c905c17b6708bd29bf7e1fc8710f15448bea55877a27390f123bd70900e0bd4f1353957b2f54d670975e748e01b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}