{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x4f6df5d83883581c7466ac763f7d65cb84ab93d44b8618ef7140766b3dd0c17e",
    "signature": "0x4a562963a2cb66465647fdc4d6bcfa2761ec58380cfae73290e2ecfa0f7bf98a76e9ad29342c3ed4d6b773fb991783894d9b19332c0ee693e4a124a4820a3c661b",
    "signer": "0x2Ac066a7CB1d781B3a92834949432B05E619095e",
    "userId": "689097998"
  }
}