{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228434",
    "entityType": "User",
    "nonce": "0x5721798be8e84703d99c864452f79c8e0ca799b0a1ad3b0ad9027ba272b85f3a",
    "signature": "0x83f907772fe3a644bc52e0200ed5d57940543b17c7992662e4c094eef5773d89353be2fd5d253ef3b8713cbce32e82769936a8aff0b27797c45d473ce580bac71b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}