{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x44faed6de732c2332046418ff85c0c6da51a2bcf4a407a854a79450d8b1d5a5e",
    "signature": "0x943c277224d708068e3d684fc76ffce4e55f49a0d370529f3c6341951bd4d36b34b176fabf42ebcbb73ec8cb719a0afb5799ae4b0d1a2f37e9e206976d8e2e5a1b",
    "signer": "0x26ae7801A123026F5d005F2c59E44584390d41A6",
    "userId": "730929762"
  }
}