{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0xeb4df076b53ed9419efd515600bfb235adc7143657163377a746fcfad50732d8",
    "signature": "0xea709c01f1b882085a259375bf406dcab13eeec3b9bc480bf2b389deb010613419655ff00b26daae2f5b03599f5d4326fe38356b93c06c8da91fab1358e5edc51c",
    "signer": "0x8084784301D98FA037D3a6f9903F624E0F300e4b",
    "userId": "383936299"
  }
}