{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318437",
    "entityType": "User",
    "nonce": "0xdb02c3cbd61c143ac1254c1df412acc966b84bccb44c481c500a981d2bab1d48",
    "signature": "0x18675d3f10c8bf618bd943b7211a0c678a47422b71bc3981bfada72819c1ef8f53e0c5d5106dcd03b7985e7abf122792eeac11ecee86b2585c18b29287bfac3d1c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}