{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc7872e6c396c90e5713320af95913a2bb8330f4236132989c16df6639e200b92",
    "signature": "0x87948858a3ceb491c7c4ef222441121e0685424fea007aa27fb00ac5b5ff5c6371b8aae17fd1dfce8aa15d5ca86c16e7de38e3433b969fe3d06f99d3e0bcb0581b",
    "signer": "0xeaf84e3A5ce11aa08fca9e8C89fcF08a5d913157",
    "userId": "682691908"
  }
}