{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170856852",
    "entityType": "User",
    "nonce": "0xf3fbf7102d3352515989bdf663700cf21f7dd0e6b17b638745c623d52fa55a3e",
    "signature": "0x37574073dd7b0b582dc455caa2c1911676fcaf47a4dfbd4bcf575d46337ccf854fb4a7d54c9f0f003efea53bb726e04374bf234be2cf9de3b9b6da004c22f1ba1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}