{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25089",
    "entityType": "User",
    "nonce": "0x9249897adca002cf8867d8203e5708062da970a625f92968302b606a362e0858",
    "signature": "0x4179fcc02221314286a2e119b100cd0fd582a345cad2aa600dfdfbd7257e9fa72a776c9fe81c2940f1bd4bf28b822968591e053b5e9a18fa87e127a0d556ed311b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}