{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38315",
    "entityType": "User",
    "nonce": "0x0627d4ae39bcc0a8c4ab2731c554e3f197f88d96a3bda354f932e1f7c618bb30",
    "signature": "0x77d4176aa56a98d8ab67d0d787e110e478ded147a2b3fd002f5b9498ed0767b34e23500bcc7c64776a5e70d1b422162e57d56c5bff5132cd2973b5f88c75f7af1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}