{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17294",
    "entityType": "User",
    "nonce": "0x092ffe2101db38990734994fc861fffcbe969ab900d96fdbfac2ba088f26e686",
    "signature": "0x58b3f3986a290c71c722d08bff0347e6bf7cd1b09dd43a5afb99422b31aa998e7b8e889b3d4360de06c3d9b862b88b302b742bb8cdbaaad92430f6734efb46b71c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}