{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "844754103",
    "entityType": "User",
    "nonce": "0xe230790c11f1925a322b1acd8a11f68366bbc6545276677fd91a56ee654e7a0f",
    "signature": "0x73bdf8e42b7af2e5df6005f202a9371788623c1c14c151a31ca4741637c736ee374384791344f6eba71553b76bdd2468f2cc05afaa7d4d0f91232a8a071251e61c",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}