{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "960158487",
    "entityType": "User",
    "nonce": "0x9a1c9d871c2262764a2fa15e22868fba017e0caf68edd543dce5fdeb9bf267dc",
    "signature": "0x1770049bd54a1c034e8d9ac82b3858d89bb2e9e75f473bbe419f6052d169d05d3b2c4bb44863e0d8a9840bbb70abec5184008409c1cdd3d66e754f5f0021bdee1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}