{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x7e6d62d29db640d05bca192728200930553586ec2e6b137eab1e1af4d28f9cc7",
    "signature": "0x468e4adf334852328457fa4f0c4bdc04f8bca5ed4cd92cdae1bea154aa65b2d178ca2133f1724a58688d22c0f1bb49ab8f238db414e3eece36ff445fbabdcb971b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}