{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380088986",
    "entityType": "User",
    "nonce": "0x2e25e04309f2e32c98fa9965c4f21e9b08847b4418e3104cfb1f6cc69958e286",
    "signature": "0x5ad50c310414f8183400fc70809394984447c539b808b44a780b218b217c73303e50ebca00dc198ce077272ad4f7767a43b3ba48aa1374bed96df5e8bb588e651b",
    "signer": "0xd72900E031d6C9829fe9C1950eF6FC0D34C60F0F",
    "userId": "396396820"
  }
}