{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882598",
    "entityType": "User",
    "nonce": "0x894e294c588a311694c49a517528562cbb1faaaf596ca944157c5b77e1c0b8cc",
    "signature": "0x7cbe0b84d85364c3564bf36088445575d76f8efdd04988fec7f737af6def57d177ec10903178ee8d190aa76266c42f90e4fbc691b5d97e5cc947f97dee59ff711c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}