{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922131142",
    "entityType": "User",
    "nonce": "0x64337cde3089df297c2922a82d88aa8da65b59770572ba781bdb38858b41a38e",
    "signature": "0xf140aa9ddd656a1a5f12f191e19355713a62769d8c38eeed787305c64f433c2d1c773d54a01cd746d387ce55d81a5cfa9193580c633c6732c58c3a359d4bdf521b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}