{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56",
    "entityType": "User",
    "nonce": "0xc96e825439dad28d3770a64dd29c580d6a91dbcdb08a2657d1a40278eba184dc",
    "signature": "0x3bed490883796903fa6f00b819726ce367ed44b7dbf314bdbc5d1f5f89d8615a4700ef836d4ec6dba20271e45d91a0f7615d4016283f6811eca7134fb03073eb1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}