{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100930",
    "entityType": "User",
    "nonce": "0x2950f7f59a51af3cc9bcbe32d949c812000842a426289a877ca02bbe1cb4661d",
    "signature": "0x059c819b12fcca0f904640059bbaa2f91da15af09bca368edb5ce0ccd8bbed5b75d19d6be1e5489a455aa32e903f42eb63afab059e86f555f9862b9ae5b02f2e1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}