{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68074",
    "entityType": "User",
    "nonce": "0xb4ce320bafce3f28866b6eeedb8301c388ce9f04a31bb519983756a8c67d9c0c",
    "signature": "0xdbc3ae9d074349253008271160bf54bef19e1028dd6051598ff7d7d4de6042db7a4b5d33c0f5acda7b096636ca9d467426ef60b02dbbf39d59478e0289f7ffa21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}