{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56270",
    "entityType": "User",
    "nonce": "0x332c4ca01eb508cabfc1535c2b17fe2f1b90848511abc926d24743fccbd4ba55",
    "signature": "0x91ce0a7e602896555ded7d1a5cc974bb9827309483c321f1a493ad5462344c4f3092e740c74689cebfabf6569fd0f16cc7bc8f5bf3c5f36e0b7d8478514911fd1c",
    "signer": "0xF5C198A035503518a579b15Fb9eE834F3b4b1bAB",
    "userId": "765691673"
  }
}