{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4966",
    "entityType": "User",
    "nonce": "0xf567c4ba4cc8c744207002e392da3f6a225766236e53b0ed0ef018d2376a81ac",
    "signature": "0x2e5a80b2d71df52b33c11a09526525c5c42db26cd6a0462ec4922bb3b10e4a9075e8c25dd4e5e4ed9e38a19c7ac03e060623509a3dea8aeb35cb28033a489cbc1c",
    "signer": "0xBEa1dfDBA81a63AaE979F322c34709514594D0D0",
    "userId": "705121733"
  }
}