{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0xcd8555be4e908f2d2e6ba94480fb6a796b9a0dcdf0cbfa634c1e651bef0401d4",
    "signature": "0x020bc7e160347e7acc9ff11633f79105a2e063c2f2b2a33c53f43f154ec388b561478e27be74a3aa3cfb5f9fea66a5bc8aa0f9afdd2fdb90218c39d6dfda4b281c",
    "signer": "0x1aA16fE3e79EcFEdcD54a15543136575E741D4fE",
    "userId": "356493920"
  }
}