{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566075266",
    "entityType": "User",
    "nonce": "0xb62ca1c4b7114d730237087b12e3008da12f04324ea9307eaf959cdea4f26c97",
    "signature": "0xe728e706dcd2678e0717ce5f65ecfb67d0516bf0c0aa670fc927e8f75c8bc2612385d8f6bdf6915612a8f01cac7b8a57d5013d5e02ef0d44fe3537d98b709ee91c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}