{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885732",
    "entityType": "User",
    "nonce": "0xcad581cb0495ecc4ea0f3af576867837981bec8352253a973734306ac9f1e616",
    "signature": "0x0edeff3cc56971eb1ede411dcb59033069778127701d7633a92e5b75eef970c70dd911d800a0dff4d5e06be8abee7946cf7a912ec0d7955d1d27de3cdc92e9611c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}