{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2041956",
    "entityType": "User",
    "nonce": "0xa20798c0bf9556d7b58b828f332986893520640ddb1cfd6abbd2c0bd725fac7c",
    "signature": "0xc5b60bacc7c82ff8e7fdac9b11fe081721d2525981f336013035a3f51be44de3597755037c3faa9a4d3be250b27f16e03ee3254c022d6fcc00ffe34ce69c63391c",
    "signer": "0x1397C0352C41A4fECebDab9c7D691CffdE9A59C4",
    "userId": "126761"
  }
}