{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0xe4f078641b75c21ab76247047053968dfac1fffeabc4df00aa1d261fb2e54964",
    "signature": "0xb9af00668a0ef3e975bca165cbac6a6a84110542b572be5e19d7cda99c2094c0473788c6e462bdab61ba1aa271cbc3712f9873021eb70c6462b8274c820c02d41c",
    "signer": "0x10805E046e879D8e4503D67e495Fd1d280142e5D",
    "userId": "355715"
  }
}