{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1856608",
    "entityType": "User",
    "nonce": "0xe471fad8110701938f296141c0ae0aaf7f32c3f7d6d9941116b4752c34f95cf6",
    "signature": "0xdfea02da73aea8d690c8be43230c05bb1b6613c45c4bb8de235c9b86da4c24ef20d6379fcc4f67b6c9e7bcb01eb597309a90ba44bf1fa1b0f51edb1d827c17461b",
    "signer": "0x80AAb49C8754361f9D9bCBBcdF58F48b88b58Ee7",
    "userId": "160381064"
  }
}