{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1416",
    "entityType": "User",
    "nonce": "0x6c086f158b241524245db3caaa1d495fda6e7d3600f4c5fad676f79ce021aee5",
    "signature": "0xf5a80eb5375d92a811ef4f505309dd535dfc7f35d30c96ed851b9174924a12597f9bc55129e6c7eded3d771b357617f3da817e050bd6646e0a7f2e8b15c4fb9c1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}