{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826425",
    "entityType": "User",
    "nonce": "0xfdd9f452835fc469f4ce7657af22914a56681761fc0c1ecb1a29100cf6c51cb9",
    "signature": "0xc4686abbf06caed5a6a7762de8a4ee39a23f875f61dc3409d624d6d667a0b0082d196a3e31cf8bdeb03e075ddafb57ae81d77ecfb46a589b45acacf3ec36cf161c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}