{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27722",
    "entityType": "User",
    "nonce": "0x9022f0b6ab6a6044d18f055e1dd7f7f98816d1601a7e0af89e852ba664392fee",
    "signature": "0x73c887ba19a291afed24a66efd79ea62a8132b69faff6219e55393b32314dc831a3a375dd577aac3ff7fb3a69fdce34b58b37a69e8d1a1952df6865f27ae3f761c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}