{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38869",
    "entityType": "User",
    "nonce": "0x5ea0896eba4fa52bbadbe0e80bf36ddc77d5d61cf5c3c3aaa5121c7830ba9922",
    "signature": "0xb84ece8d902a8a3fc55f65d2f4d132134ca877469968f87fa546a6d43353dc10558602c8914514a3000b333c0eba130952487c73d344c8111d5f4c02bd5095921c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}