{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106670",
    "entityType": "User",
    "nonce": "0x0d08d53e6a181df0d8979928aa3d3a6265c0902f1a85d01143b3ebb7ebdc0fb7",
    "signature": "0xf1ec3141565a02dad7c372d264446da47a8e3235d81513905d7a9041780af28b68679eba793341d950f42de2b121f5a1ebe88d71aad17182c39bcac9eb24d1981b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}