{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37260",
    "entityType": "User",
    "nonce": "0x9b2031404296e7a20f614d4b76a6b67daf36476418ce62aca09dc538d6d554f4",
    "signature": "0xe670db8fbb896f9806fbcda56102cad125f1ec9d70c32bb14eebbc5c74b47e07104839f7abb2ea3c8dad6629b867bb8d220a86ef4ad13d00d9532409483262201c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}