{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151608",
    "entityType": "User",
    "nonce": "0x08eed9cb86f598f028b950a4fc4c2a1586337689380a1236edf5fc9ed61d073a",
    "signature": "0x0200ffb8f5aaa0e147d2ce54c6396b0b330a074bcc9b454edc3eac6a7b07043d3353cae189aeef2144da6e7c0b163e2f9e18d684e4fc63d24e187d7cbf14add11b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}