{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65278",
    "entityType": "User",
    "nonce": "0xc6910ec08248e9caaea588bcd24cf3cd7cf2acf55e2d936c3f4daf4ce0fad384",
    "signature": "0x2d418641d523ba5f94325956225462ded7bd5ddadf38960b7267b491c6eaeba63d04c5d722906db83248b825499436176edd208be975e3a296566967858c3b141b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}