{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711747727",
    "entityType": "User",
    "nonce": "0xfc1774f62a3f3b2231abcaaf4e1e102963850202b0158b2d6e4fa4222e79d24f",
    "signature": "0xe810d3ef7792a77366a39d950f666e8c55bb1dfbcda5bbd568b40f34175d23b55076f52abd29c7b0702a5c837a7c9fb762052fa503a66d5f74891c5a314e8fe91c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}