{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x9ef7bce56a144a5b67c3984c6d7ffbc0ca019614ccbe2bfd58d9c99043fa4b23",
    "signature": "0x3f542e0380d654a2114622f970504cd91970d8674f76b890737e837ac0fc46b87bedebfb0a7db2e8deb69e83dfd630dcd0b885a2bafa29b8fead44f766aa6dd21c",
    "signer": "0x930d6F9Ac58B5a72c3c68840A9dE44Ecc8B58a83",
    "userId": "756614075"
  }
}