{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0x3f76fe2468d3200500e4fb0280483414faad6df062b14189edb1f2036af05ab8",
    "signature": "0xf975f0a025622607142227e3a8475fc8cc0a0508cfec689cf868a28b4706607726d50da2bd9bcfbb02952846ed4888bfb198c69f1f33b799eb871a502975fc4c1b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}