{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27445",
    "entityType": "User",
    "nonce": "0x6b6e6c471748138a6fe79239ef5bad74ff8ada8a49b774cf9a54fc9e281e1ac2",
    "signature": "0x4ebc8e93d6a44c269e57bbe19ffcc9fac3b682f718390505949d3dba6ccf6bf578b4c46f12f8d6cef26f3f3736d385e0c67f66c8887ddd88efdae440cd85dbc71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}