{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x71748af0e65d50650feb747df8711b3f7f8d7d72380e9460c5fd87033ea5e892",
    "signature": "0x511e14f0598ca9c681ae24aa6b758335c4385e9034064516d038be18679d1071522ce9560d4258e9337dd3a8362a9164493ac03112254d333afb9fdcbff972e91b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}