{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484243093",
    "entityType": "User",
    "nonce": "0x1f6424da0e5a34a3310edbd6d966bade02bc07545645b5f2fc4c60cab7861f2c",
    "signature": "0xf996fd18dea0521644ffc66adeea444c06642db0464b01a6c3c732fea8f1f48a756f50d01a944322a6e7c4cdba67c81bef2fa7e8aff1288864b5d6f51a26b13f1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}