{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x983fa360eb713142a4fe2b3621c78850cfa0d992442af912d8349bf7fa8b9a0d",
    "signature": "0x14ee0164b88dcf0e3a40c41514a25e94c1c810636b6cae04c43e74833b4cb6140803f2e10d109e62ace1ce6019ca99cec5214504cb15f8981f28b6ce394833271b",
    "signer": "0xFc15451aaab46aD98f544A0f88649081128275Af",
    "userId": "11782826"
  }
}