{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "608645733",
    "entityType": "User",
    "nonce": "0x912611f958fa5697aed99c0c71ee5ac829d12925615cfcb005feaa90f40c1b49",
    "signature": "0xd3b7dee8b78a7985d192a258980f83d6e82a2ca880e8c7c5aa5bc92652a840a725ab87210ddde79a8fd57797c32414207ecd22a534ba4a65c9bc70c1739b419f1b",
    "signer": "0xb070972972ef5B5E404741ADCAc11792d96Aa436",
    "userId": "228777558"
  }
}