{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0x37e78f068cb5289a07dd2913b419829e8f910cb76bad58ea630071b34990b74c",
    "signature": "0x5c568b526e562fe65a416171d55de0a8e953746db67f48c491c363c1c49849b933d2145a26967ba71fbf1ad27119639ec597d1a1112a0957682d34a3e57d734a1c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}