{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "865220",
    "entityType": "User",
    "nonce": "0xf4c74fe99ecd87f912c83a810687560b541988be397fa397fd4ba8985670b26f",
    "signature": "0xf500179380bf1f1dbd95a390c08b809cce355d766fc53778689f87cf6f57947e5fdef3ff81144dec8aadfe5560e95deaad7d26538674bcdc25f671aac03609fb1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}