{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849312402",
    "entityType": "User",
    "nonce": "0xa66aabae31717c1c91d216851d968387890ecb829d93b8b0706a8b58f6d218ef",
    "signature": "0xf36e9686356d4163535d602c2c49fdfeb9efa770839e7e6ed4e363c6562d13135888f8021ce5790224b005da277b14298c221244fc2c4a55982880a1ceff53ef1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}