{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0xc8b45e8cca0f1f20a296b1abfd50f8978006968f5985999f546c750c1c808307",
    "signature": "0x1f6e4622a4ac1f666fc8c9893f06eb14df319e4383b9c3f4b55a99240269fbd96c8934f7d2267f207062a4768d41f777e7cac6e333da63f3d5df8f59f801cb6e1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}