{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314758",
    "entityType": "User",
    "nonce": "0x48cf31e315d14d70af9a98c11c3ed4b6dea51d33119225aa6f0e7b95fa7a45f9",
    "signature": "0xffcf2d63fedcf7ada2822784e82287dda13cd7154fb45bd9aeff2055836f5e0f5c49638720f91c6eadbeced7ec3771e554798dd0bfe5eaab43ffde445f577bfe1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}