{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0xf56051be90280cf436efbf8c099dc3906722f9eb756791c7d4a4f54066dad90c",
    "signature": "0x91f86b7b287f3473d68ae353e91e62c5f907ac56b155436cb713f66f214b8dec5d23dc6855f3c27a4e077e645ab08f8aafc907d9804c3e5d7cd26d37f23435011b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}