{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "872356562",
    "entityType": "User",
    "nonce": "0x9dbaef1a6396aa61761106fb31d41b5de5a83267038e09929da17cffaf1f7fb7",
    "signature": "0xff130b6df3439202c28c1c3aabb99417abadf29cfc7f6a83e5e4b8b3eb02dfc906a874a2c557d7db3cff7f38551f744fb30bb9a10249d3ff1c804eb7ae42c66f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}