{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1429398",
    "entityType": "User",
    "nonce": "0xc97ccd352c5e584f390c2b65fd4786d349a6bf02446ea9130e054c3257dd954b",
    "signature": "0x8f953d26ef5c711339f318933060da4a5c96e133331a824b7a1ca5689f6ce31024d117a190fe84846fa434cc3da2c800c45707d4d6c924d2f06f16ae0754f4a11b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}