{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69922",
    "entityType": "User",
    "nonce": "0x449a7bd2f1cde6067867533b448811e0eca325c20678f05eb4e1f6f21bfe993c",
    "signature": "0xe5f8d65f8c770717548444d8693b0aaf424f20a7776039e45dc71af1dad1a6c945ed283ab51147a6c3a8160100a2739df800788073d0f482dbd41275b1c6c2fb1c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}