{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x1583c4fce1629e5119e75cfa899494cce6d01c0ea65bb5e1147a6730e0005b02",
    "signature": "0x059f45acbf64359700440033ee7d80c52dac193d6d03e7458ab6b12fd0b4164d63857d14c3209524a0bfe62d975708053956ea2838df08922d7502f4652ab7671b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}