{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70191",
    "entityType": "User",
    "nonce": "0x2f8d9fb3a468be86be3db27e1fc8801968a1aaecad4c49d4c176ce66e5132f62",
    "signature": "0x37eac43f2c4892b064e72037492d2111883fbf22a08b1996e157a7819ca1e4bb28687dc40dee51a11cdb6876f6c7ca282796d03a41d2ee7929235d93fa6b613c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}