{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xc791f4592e015e9580e03e0a62428e4eee4999b7e27fda3ebfbcbcc108832401",
    "signature": "0x94bcab861414cf7d66c0efcc7e8ef62aa78eed3197f24c0117227c9090f8bcaa397241d3d97654c38856918a63c1fddf28c87c16cbf26048d82ea2fe79f2b3b71b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}