{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236945",
    "entityType": "User",
    "nonce": "0xa1da2fe3e19d143efb0471e17172d1280a80948e12d0bb723c1bf295402e503d",
    "signature": "0xd8f9ea02b146cba669456fed70c1222035f75f1d774333831dbeff5b626cbda6630a805782b2de9689ceb4fc574490b895efdc627a5a25645e653297540888e31c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}