{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71828",
    "entityType": "User",
    "nonce": "0x33dbee5e6a4ccf9d053abcc7a2243fcf5d09afb98773ee3cf72d4e7fca9f2d24",
    "signature": "0xd365bdc4a2e2a52b3ff2dffddcbc87250125828f47b58462ccda6019d97223e11ebc0c99b6a5a87210aadd672e28d5785f0d39174b594c31d9e1442c9b700bdf1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}