{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xf5acd53d8730a785d316fbd389793508fd2b0dbd0055ba75f03342eebcd36a0e",
    "signature": "0x6de2ab2754d9d7a7fed608dd3226213289f87609e2426c94183f9e888a5481ca5742e7dca070a74827a7508cb45ec4416db4f04276f8259f22700d44860d5e791b",
    "signer": "0xDe6128EEdBB4d15D391871267E286E878C7011B6",
    "userId": "144906061"
  }
}