{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x25cd4aa2e6cfd7c98d38c3f5e6c5cb4b608b76f202e93b6bcab834e23133d924",
    "signature": "0x317d43ce8a1127cb37e8c37c27f24cde162bc3a56755ad538542d85b390d8da4628bb8c9bd5942f4212b5f143ac49f1633622faf34e3b2c8fa858533ef9ad17e1b",
    "signer": "0x79Baf4dB28e92821f1352A8C89eD61C1f058e9ea",
    "userId": "644144286"
  }
}