{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49336",
    "entityType": "User",
    "nonce": "0x54a5e222e12e74393c00e7519cb72646dfb9294e1c50bb1b7bbe3d5552d4dc5c",
    "signature": "0xc9f1047503f47914e6444d74b1289be855b9284d5cd44dde3b4c8263c888b5896fbdcd3a93ec418891a76c26b31de2b16063b5c874764fa1904f172b943f1e501c",
    "signer": "0xF4D35113bf653395d3a48c106C53522928Ffbd1d",
    "userId": "159182864"
  }
}