{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xa4e5f6644223ea04eeca1857de2524aff50d90ecd7ab1341507b7788de898652",
    "signature": "0x66aa7a39d18c6f3159600cebf4493e48b8433852ac690587d22ac17a145a1dda01490936cbb463ba68d3612375ec12bf3637bc6330efec4a3583d05f26d4776b1c",
    "signer": "0xAd8FcCC47cB4A94dEED72992b009151D1c13FC8C",
    "userId": "804422713"
  }
}