{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566075266",
    "entityType": "User",
    "nonce": "0x41d8f766d6c49d7386f04f7f14f2c62cf8baf06d98f79873dd9f2e34e1c9c876",
    "signature": "0x0c70744a8a776ac9953ebd8547f6e107838080e7784fe62454febd58b71afbf91e93727360d6c811289880fc64334646b449bd8d46d8c160977f7db6271123871c",
    "signer": "0xAf1f176E32866fb97d822F6f5222061aF11ef652",
    "userId": "954117045"
  }
}