{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeeb4dc3922f7320368a06b23ad96f545fbb68db2bb17a0c140292d092cd2cb1c",
    "signature": "0x966986c54fa1fc61ac1ddee5296cbb9817bc88a2b9d45777266134eb31360a212449657744a6e3ccbf37d5bb40830423a79703b43bfaafe5c8e2e062995985861b",
    "signer": "0xEb4e1A10905446A56f49f98410a709baf1F3547d",
    "userId": "218905146"
  }
}