{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62713",
    "entityType": "User",
    "nonce": "0x4e130260a43c698674ce72fbe2c1b810ea54fe58b7edca267354963e1f20908b",
    "signature": "0x364bd626569d8d54ab5d345df5309d537340a6ab4c22328ecc711b9dc4c32ec65622f207f93c3f06cb7440282e0621bc0970e5785436cf216a2b0cdc1af0bcd41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}