{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208569",
    "entityType": "User",
    "nonce": "0x572ea1521a1afc02a03feb971ca2022474362fbeb983a9eeb8809a3c75b82ef6",
    "signature": "0xd961a7a7ceeec96dea57b0f47a8aca62d1296f8961fb2c1d1fa3166a5ff2d9a2110df607b368264e7af1ed5a1513cf18d2405b3c8cd208778df4dd8492976e4e1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}