{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0xd6277b38bb91764be4cc53f0ea0bbe452826c2ab1ba299cdf03110d40ab868b3",
    "signature": "0x1f2aaf3340e4577d007c3f8df1ca28b58bf71f1ca942fd6965c167f04cb0f46d5c1a5b53aee3057125e5368de74b8601dacff08a7471262e38e06d7a8758dea31c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}