{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962626737",
    "entityType": "User",
    "nonce": "0xf8763c261c077f5ee0af357b2eacf06bff84a776d2ef4c5d9183e813b1374e67",
    "signature": "0xd1bed6369dd3ed73cd23a60bd605cd4efae3e9f7fa9c5fc3bfd8af93a5eb6ed140f33b29ce275b4a77c93d63cfa90c884662165f211f23ac47b1b22fa8fc784c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}