{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328798",
    "entityType": "User",
    "nonce": "0xbed1bee3e48406c4817be9819ef450191e687361eb3c0122f11411c9bc798497",
    "signature": "0x06de05715927c09d55f064d55d77a77a986385d95e9e59be8f689ccac9aa8efc5e93c700249cd7e62bc1ca97e2e56e9f0ffaadcf048b03e3a136cbb394a6a0561c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}