{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194079",
    "entityType": "User",
    "nonce": "0x137c551d745c2a44fed9d233691a076fb6675a7f59d48070ec6fc10ddad42092",
    "signature": "0x4d9ae3fbcd617ebaf49a9fd34b57a373c0a9fa6bbd40065f1cba76ad10763b826980ab250aab2069a934d7b53b19f6d6019e7f3a957fb1d2a8467c15d54ca4dd1c",
    "signer": "0xEAE1c756dB1BE2AA6bFD12b24Ec5E1a5dFce3CE1",
    "userId": "324670697"
  }
}