{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x770004675d4add544d6d64ecf2b50035ca403984d3e31064387147b0e9da1daa",
    "signature": "0x4b70e8c59e65de1327338e90262b0a4b557bc229f78febfe78c370103ef52ddf22cda092ad41f3aab76886bcd6ce56125043ecb44c51a762c1b9317bb9fb6a301c",
    "signer": "0x23ebb94B5Fc841626e37a0AEa3B06dAD3A4cfB27",
    "userId": "279409147"
  }
}