{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326961",
    "entityType": "User",
    "nonce": "0xba647779955fc809580f1a93b29bd6265cdc355ad2a310e01db948ba888189e6",
    "signature": "0x4b3cc7db2da3581de29e0e09daab8d91d59db4987a7b7e615288b9420eefe4163053471bd17d35087548cedfcdddc11d876625d8ee805ea4dc5d071dcf3acc3a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}