{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65878",
    "entityType": "User",
    "nonce": "0xa1e5dd8c23271c718e84af0ec5dd66d68678cfeae7623938562397769e3ed95f",
    "signature": "0xf766024290e46ea3f2b0cae866128d03b923166511d10c63e9bb9cd3e84ac47c72230373e40b62abdb5514ebb46e6684049b34a8b9b27050e22bcbd2b301a83e1b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}