{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0x40ad16f54ef2cdfcd06c5a4d3071d73081c8e10eae79cba00054e9583d6e87d1",
    "signature": "0xe269d35da8a7b49bf43d6db5ada242260b41165e783b105c9500db648105e53c1aaeb43739b80c33c811800efb2f42cf7af5b88049d6eff4c6b64d2124f353e11c",
    "signer": "0x932f491416d6Df1317B667DeecCE9F320497aFc0",
    "userId": "925020539"
  }
}