{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf78f763ac5ca79b9e889130756155a5948e3c4b88e5cc46d026ff7dcb18e931",
    "signature": "0xd7f215b905ead94fb643bffefc369bd3e41d7fd1b70631095fc02facfbbbc71d1d08d3b0aefa59b8c00fb04181b1b08d0d3120209ee43caecd24b7116fe247301b",
    "signer": "0xb95a292B1b7a5Dad35D3B1B36b558990B8a07F73",
    "userId": "97144464"
  }
}