{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33983",
    "entityType": "User",
    "nonce": "0xb826f3f16497baf8ad051c46aefbfed8dd0b1434955fc73cd4311fbf1dc35ef1",
    "signature": "0x275c49b2746aa97fa8c494c59436d8590833fa5b12037a1abaf3056b03002bd2634f3e760d8ebcff519736f66044089152f62d0776828f258dc81eaa0d7afb581c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}