{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109656",
    "entityType": "User",
    "nonce": "0x038d85ae988ff05322a3eb1dddf2836f25705a7de1d2628b44ad24933db4c5b4",
    "signature": "0x38ad95b00baa232822e3d7df32e9332e5c6a5404b94f640bc98306c8f21198c765ccc10c08b2877f56fca909bf0c5383a15f14ba185dcb2808b9bc70e8b1f6d71c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}