{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115957",
    "entityType": "User",
    "nonce": "0x34e3206ba1018965f4e82849eec6144b65cfb5ca270d4ecf3501b9e2d8c79744",
    "signature": "0x153ec872f6e69b284648ee598a0741bf8cdf00f905c156fc5c1a4a9365bd0d5f43965e8009bbd324b4ca5c2ff723219c8f2c1d9357c1db071df893ce828dd8b61b",
    "signer": "0x6A2105c886554E76044CC1b23065cE8F193A0E42",
    "userId": "569588208"
  }
}