{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14290",
    "entityType": "User",
    "nonce": "0xbda66a36c3a1c30d6b10109221086cd4fe07303f4ff7f2a341b372353d916b26",
    "signature": "0xaf71130eea519b97282dc9bbb00ce69454aee3abc893e4bce39a2ff83ce478627a6ff731344efb4b3bc3235e7a135f7b85937b0d7b7f6e3770d40e50f88da8fc1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}