{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "969012944",
    "entityType": "User",
    "nonce": "0x8850d876a044d62e69ea12e450b2ba6f7f893e31e9a3f4f1efe3fc84f79ca5f8",
    "signature": "0x4a38120055d7399edc3da571ff7e731ff0e8b12073cb6cd94ba53c35eb58b1d903f8eadab1bcecb763142c4597c5bde73f36d9fcf89f345b240fcef20a32d98f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}