{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xbc5396703411be552c2eb211c992e63889fe1c2d6480c3fef728bcbb72f10920",
    "signature": "0x3dfa9bcdc47b7066b71ee90564e5825ef1b07f55bb7a8e5eff1150dc4450914778e50eb5805db3cb6125e20870750f9303f24025791adab3ebb6acad8c60221c1b",
    "signer": "0xe6155D2c22b3045b54a0E8F2CD4Ad64DFBcC2853",
    "userId": "993304290"
  }
}