{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138935",
    "entityType": "User",
    "nonce": "0x09fdcdb64764de09a4b7dc7f477561aa64e1ccead06b488cd1c30b6ef55dc05e",
    "signature": "0x316c9e9a1ed971d44c177725542111bf8cffeed32ebf8974696edae633d3616714d87ad767a4f18de2ede896bed503a1af11d0a12eac6df9011c2b92d1706f611c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}