{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1674010",
    "entityType": "User",
    "nonce": "0xce9dc1d5e3ad3a6403e75cf26902efa7ef9f87009c25c0f3760ecf57ed1f12f4",
    "signature": "0x095dcefa47f6d0c0de38bfe5228c944c3244a542f31a7492f2b7809164fabe9d0fff1a5817d7e34d6ebe3204ac061ac45d16ea27418371283c01f8b5ef52e8be1b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}