{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107971",
    "entityType": "User",
    "nonce": "0x10168366d2e95f20d05bfd35f6bb4460416f27bf364a989fd2e7c3d825f24888",
    "signature": "0xa4564f397041ede5b9b603167e8cf1f7e5e4ead63208abac65fb04c8af43d02505e0995e1a5953faa8e6c99d13099f590858cab05d56916827b260475b7cac2b1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}