{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "892670088",
    "entityType": "User",
    "nonce": "0xb52a3b34fb0dd045e1b9b1e0ec56dedf776e1c709d2a0b4c58fb69fb4967d5dd",
    "signature": "0xa78a0228714e44a4d07623e8cedf6f6e514bc34e2f419498231811d606fc872728e2690de69ec33518d139078a1b68ffb2d601e861da870b5ecadac3321ced851c",
    "signer": "0x8714181b6CC4ef4089058190cEA8db6ff1a85b62",
    "userId": "295478826"
  }
}