{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0xc82d9b9ecb0a436d7b4e1ed49cc48751f6a04467ec7ff4e7972ca16a343e1b51",
    "signature": "0x451131c7c6367e237f3b76739c19baeb20d8dff4562d452283bf8f4da90dbbaf736e72046c7b26541f262733caae4ac06d90b3fb9d51e4895ac017a3a2e7c2041c",
    "signer": "0x195d9eE11400245E841C02c4b4288a90A8195e91",
    "userId": "103785872"
  }
}