{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917127173",
    "entityType": "User",
    "nonce": "0x15a6d2c75e7f78572fb905c8970a36bcb6954c4539ecb02a4057a42ba79a2fef",
    "signature": "0xa0c98a47e2cabfaf105f55ea66039a8ec986ff3d025bfe4204cf1aa7695b98815c2fa8d711521408556342edc35cbbac65d5c8f736e7b050d06ed916c4089ae61c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}