{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb6c42f36d95fda79ace4d717bf18a0ed8c8b05872f4faff71fd9cef1b1cdbd0d",
    "signature": "0x2696982a7fafa46971f6f36817d03c7baae38c477bbbc582771a9b822ab637545321f97912c5f66e49d22deca310d0c960f23bba14a3f9728482e7c3a8b369571b",
    "signer": "0x62f9a1f68399638EDEEe6267cdf3B701099302aa",
    "userId": "951345783"
  }
}