{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "931487252",
    "entityType": "User",
    "nonce": "0x0bbecf7082fbbc4a0bf7239fdef100ab8a942c7cbf46897511b27c4ed941ba0c",
    "signature": "0x9ffa8803f41ea7856de56f3166ea64b0a6102a5c058f89025147709e1b06ce6d3b80f6ae7191040a6c615ef613a0139980b765817688fe11e00b054ab95dfa341b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}