{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125405092",
    "entityType": "User",
    "nonce": "0xdd9e1eb7e515042cff485bda837a7b555a2f6902248ecd878e8cd142b67800bc",
    "signature": "0x00c0fefd093a4d86d13a141e8c9670630a25fa86d044c83aa3f2ed4f8922e5e154e2a3086f663487ea2e5b1ee0bd67cb182358f792159550d25221d1ac1d6b561b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}