{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49564",
    "entityType": "User",
    "nonce": "0xd9103f3446ae48164f454a841cbb079621bef047b70d3a8462422a37b61d189b",
    "signature": "0xdc708df7a3ff9ac8c643467024afb0532d2a0b03c7ec52826e3d544d73a6fab57fe79064e35897e9986a1b73a7fb56861d077b4a6340a0eed6c59fea1531976c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}