{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29243",
    "entityType": "User",
    "nonce": "0x324da6628033be02d1c82b0583e6aba5bae9e6fdec6a627d614a9d3cca513db5",
    "signature": "0x33606441372a2ef42114df8f7cfda76f6f59fd14ab708d5b3b402821ff76bd7c36c73d0f93fe3f3782fabe5d53924b8a9abcc3b173ad5a2d2fc9749202d2b6941c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}