{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68354",
    "entityType": "User",
    "nonce": "0xec56501c13e1ca9786f77d75d3891459bb61c1f516939ef1e138855e9f2a862b",
    "signature": "0xfb436a2f2fa970bee5b2cdef7642c5b07b388d3b246c182b86877447248351e202a97a8086ee0e46f90c2eea03bd6996fcedaf8da9c0756fbdfdb9b0b2d20cae1c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}