{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x6505d5034056a1ea450a137a0ed0a74e814470c0a4a99b8f4b2fa444ed5afe76",
    "signature": "0x1893b1e530c097d3b3e647beeab584e1b155e615c109f4f476ce0d4486098c624457fa34a3840c25a9430d2229f73c45e4ddeab9f50f9e1932ed88e8acb2b5e31c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}