{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "256412933",
    "entityType": "User",
    "nonce": "0x8cdc66d4b422826c071c219ac9162c12b77463b61d6dcea9b524e9d6e5fff9c7",
    "signature": "0x55d46d318ddbbe7e9e7e137bc7c68142b482d6a1d0f7f8360c630cafb64d89995ea48eca0b3af40af48569bfb33b1c3b91d383c86bbb5d93e31783e8a88468f91b",
    "signer": "0x1C17233F08FCf5A3fF6ed6C11A36eA75235129Ea",
    "userId": "788497335"
  }
}