{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108164766",
    "entityType": "User",
    "nonce": "0xf0346c0cba927452394e0e24c98af8ecf44f1138183ea92b1ccfcfcad27b6214",
    "signature": "0xebec07baf432875204ccd4fe1af9c8d948df4ce59f696a85df99f761fbc661172c30ef34a8988bd49505c1bd0f17196e0819383f4d7a71d1c213b12f6b50fe361b",
    "signer": "0x8f0Aa8630bdC846D6a2eB06f6b4b21f508E95D29",
    "userId": "30179440"
  }
}