{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67383",
    "entityType": "User",
    "nonce": "0x8fbbd70974770c998fdae055450a4f483518b6a329798daf6a2df3048930b444",
    "signature": "0x9b8cc42b0bf91eab963247a97284c081b48a73f83a16b14874c4db22494d04e65ade52fcb49d8834d9dcf366c46ab213b33850951fcdc122b6eeb1a4675c336e1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}