{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x5999162fe838b2a0ec773717cee9bb2fed535e0a1d3d6ec45ceea601f3627c2e",
    "signature": "0x9694bd90ecd04d9bdaf00d559cad985b26d49a64dc0d84dada4faecba99f386d5b60540bd3f07c1a3c1c00da7dc6ecffa54ec84780d47d64e79eb17eaea8e8cb1b",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}