{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0xa66d5b552f6b98dc9db997759ebc3c2aa4bdcea7d9722a325723f48f6e81cf17",
    "signature": "0x77ed79d6a512dbe92f2a55e33344d9ef0aff8c96ac53fb92f0e4c7bfaa8ae802699b0c5dc8ea4e583bcce2f39cf6544fbd6070e572938ca98d1881b509171c901b",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}