{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153609",
    "entityType": "User",
    "nonce": "0xba16fbf59352b170e172064c767a847b41327d16c4bdf30a0f34aecf357d08c2",
    "signature": "0xe81eca9e05cdef0056cf681403da10fc3a8276d7a4ffabae2fab913119cc519d3becc78d3ceb169ab7e62328feaa67c33be1953faaec8168115528bf76cb47371c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}