{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134982436",
    "entityType": "User",
    "nonce": "0x60408d084afaf9d28a898bb0ffa2b6a179a515707858279278c0aa85601dd9a8",
    "signature": "0x2a245a3f77a205c7a52a14a4f806c352145cd611f3a124b47003cbaf0146b00353299a322232667b0785156d8e6932d5a97baba559cd59554509150a8df4377a1b",
    "signer": "0x70198A93751A42B30b73B4b84803dc6Fe67290C3",
    "userId": "37067745"
  }
}