{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241269",
    "entityType": "User",
    "nonce": "0xd5347b8d021aa126cea37ed77fef5377319065b7d325ea3aacb5620acb3c86da",
    "signature": "0x5ebed33a4293358f1978eaa4418f8f632f45262225601afdb0a0f78b69f4a0400a319c93867edda4d33e510a9e4c078e11c234d2772af7b0b02ee8fbb3be03271c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}