{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "931487252",
    "entityType": "User",
    "nonce": "0x17440db6717a344d7458ffe57d91751972a4fc01661386363ad0917a9412db97",
    "signature": "0x1cf699477559889304eabdad3e96fc543c7fcad4a050266668547fb246ce793a12d39214629011b349b9425c7879acdaaff23ca8584d0dbde98c64a8e7b8069d1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}