{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xf414f3dd65d474d8de35e6ae2c21372e0787df0ebe620a48d8d16b11f7a93272",
    "signature": "0xef2df6336f76459a497cc7dd2eba66a3cbd254fd189eff00bddb4d1e9fb6149a7d9dea723926ecb077e64b576e194956b5b6de4eb88fb0f90f86c2cb3d8c28331b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}