{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0xbf7e58898c233190c90dc4ee229b8fdb959d86b509e5c623d3f54bf1b9e71846",
    "signature": "0x9cbeeb930cea2e6885a94ff16a1295e675a2d5b2e42e1626b255d4e71810cebf6f067b3221598300822eca416284a914b30c0910e43a98791da5c29942bccba81c",
    "signer": "0xe6694Cd4e9B035f05AfC0e12202adfeECa1Df55B",
    "userId": "473091022"
  }
}