{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf27158248cfbc062b961250c94a1db279370acff950f035f28a14076b7171e09",
    "signature": "0x4f269424dc62037073ba33ee3f950a91420ffa984a2f8c6c10eb0f4f41b7591e727a6cee85e8ae6decfe2879507dd59806b899cb40c1219674dacff621a9a30b1b",
    "signer": "0xca67B756dF6DC4484E074c869eD66e40B3c83E34",
    "userId": "323265976"
  }
}