{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6d5d65178f595ef0eea5bd48335ab196310cb2b040af4e888f4a9d037fe18161",
    "signature": "0x58c010a8881978a5461a69de67eb3c19038c524e4e2315ef30075c31af4d85377ac01ff2eddfa0d8e8e276d7ac7d2e6eaf6ea766556926aa2ddcde6e265f5b311c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}