{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42340",
    "entityType": "User",
    "nonce": "0x7c5841279a4dc8f19d98472ab5525e6cc0043f5590c0e2150f56e118234a7895",
    "signature": "0xead2d2e23c86f7f74e88006223dfdd50b2c31e52066ec5ac833d3fc77dfe31d92cbf566498fd4cfd907693bba6a2754cf741232566b7dddc39bc7b5d9d2d06681c",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}