{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "796529120",
    "entityType": "User",
    "nonce": "0x9f770572fbe2123944d90d1126cf2e8f002588664729974a892ef9b3e0a6c598",
    "signature": "0xf387bada26a5bf60d87fbaaebfeabef3ff0272c6d8cf670b2f34c164817c0d7e0c2e4f411356c0f4aad82cf6f869be80cd93acd113a9de14cf852981db2668c71b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}