{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141135",
    "entityType": "User",
    "nonce": "0x5432ed2fe3a1bf25d167daf1e306913a2ce0d934e75d9e020664d78376e4d014",
    "signature": "0x26e73f243b1e441513d203809b181f2e2dcda16fa22d3777c1031ffc7dc55f917476c00ff202aefdd5d68f2233cde0aa892b3a7856772e073dcf01e8ff5fd9601b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}