{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979358380",
    "entityType": "User",
    "nonce": "0xd5841d9011a7b9aca044a483ab56493a9138d75ff563cffedf5f1a893150fe7f",
    "signature": "0xf5acbcff89b69c950dd8b7b46e0f4b916691ddcbdf040bd97699b7297e603891557ad6bf430039ca86aa61ae8aabd68502cf48deef13971a1820f3bf22de62a91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}