{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0x1f45379b6c3f741a465839618db6a6f6e5535afbce856ed08d3b8418f1811aeb",
    "signature": "0x1ccd058a03719537c4d5643739933930bca6835de40d5849c181a3a2c1b0a0720cfe15b41b08d2aa2eba6515f93b2b12d732b96bb5e8f165d524a984d7c7b03b1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}