{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0xd7ca958db5216a45cc313301ade3c99b718af1397a175495012061efa0d32b1f",
    "signature": "0x9b8bb957ec3479e1404798761c84fa4903b0c248142334f4f6f61bd4780228a938aba7c88b0b9c8d7834a8e49aaffd5071428ff65aa586bf1d0e3688623553c01c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}