{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961722239",
    "entityType": "User",
    "nonce": "0xb0e5b7ca0c6683b4e8904617ab576fa2e0947e57ea6e82ca8ebfe7d0fcd5df5c",
    "signature": "0xde8d270edc8f9d9c117cea7ed1effcc26bfb018f418ddc9941150049f3f06dcc32f7591ffc350f8a76194ab46686993c5d23da74ee07730a208c28bbd6aa53221c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}