{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0xbed5c20bf5925a13eb11b08763bc831887e1430df2275b3f16e1755e7067c9a9",
    "signature": "0x7409208f4cf772b1ca964375b1246a001be4ae569bc262bb0f9890e0436dd20c245d0055e9b8011935fce83a2f93e4163216c7db54b3429dd8895572522e25cc1c",
    "signer": "0xe23805679cAc18775E29FC76E4E9e8D681160D1d",
    "userId": "34149681"
  }
}