{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x251a3e0b376e1507ea41f0d2f7cc3194389fbec086cc5ded9e3822fad91e2082",
    "signature": "0x69630d7e0ff8366dd671a1afd8895259824b0a2f210898b2b7402f8732aa3a2150edb7dbfcf558e73d9f9bea5d9efbf36b43778ec5982bb775462d3d2c9aeedc1b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}