{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238815",
    "entityType": "User",
    "nonce": "0xa44a960bf088420ee21d6435d34ee19be130e8ce5ce68003185e8b1188390e95",
    "signature": "0x855e880f909f5200957f02ca201bafa741794660b4268dd6135a39df7cc5ff0d561dba89c61da082a9be2333003a88392a3c68f9032ad7b8eba24018bf84afd31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}