{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78997",
    "entityType": "User",
    "nonce": "0x60561303d6e29954c8b683369b58cbc613839c993e4e82b69da6cb77151583df",
    "signature": "0xb842f3cbcea488980676fea481c40a85b68e1ad80f9a8b82d8227f751320987c560cfac8943ebbb5352a2cdf1c88b0349057d1399fa950ceba269ea73bdd17f91c",
    "signer": "0xe74EA561439c78F34f4928Eb44ee8Bc5d67c3d45",
    "userId": "781858883"
  }
}