{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168825",
    "entityType": "User",
    "nonce": "0x8252b557470be003d97208333c52bfab2489c2368598c88ba0995787516adf60",
    "signature": "0x30bbacede07feda9076c7901117277517adbb8c06190260590acb7911e03203204b3d1af385c2ed8eef051eade510cd5086b1c646a94024dbc5d582ad15465551b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}