{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2290",
    "entityType": "User",
    "nonce": "0x71126d7930e71460b3dd57a88e05efe339ec1693e16df6f97c28b070797f9fd9",
    "signature": "0x0f673218eeec0b30c9edc97509276e0f0deafb0465ee804bfac69805be7f830253d7283d56066943c200b4483e92130ddac4302cfaca5bf4c0e818b92b102e421c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}