{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59439",
    "entityType": "User",
    "nonce": "0x665161203f8914c889028c05c516e114143c85246932e5727efc8fec75a37ce5",
    "signature": "0x1b978db5a5b530ef9d0b0bdffd9e3e0b01f8e51cbdc211dffa291db5c2b922ab772eac1bffb408fd8e515c4aaef90fd63ddd58d37ebfb5bb57b558bb2b5e02f31c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}