{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1cafc8f83639a3a5e5ca139f01c019244a3281da3b68bad02624248d6b540872",
    "signature": "0xe9a4e015434ee7c0dd748f44837681d5c3efca7fe261807ee71682080bf72fde0969e79eec89ed5d7ed8d42fed7a0df192ece2d7072c066eb6c3694ca62a2ae81b",
    "signer": "0x6aCE4358e2d2fb9C1Bec95a24881B4D8c93125d0",
    "userId": "810411799"
  }
}