{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1894938",
    "entityType": "User",
    "nonce": "0xedaa3a66017bc0c5e7e94d6555e013f7a6a8e1867e470a6106eff6e7f8569c03",
    "signature": "0x14370020fcdfd0e73a783aa8194743a55c62abef3035b35b91e26f9bda8a80a274aba2ede216dd93eb349b4c019e59c5fb1e671d104d852eeab458749301c8611c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}