{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3652",
    "entityType": "User",
    "nonce": "0xce71871732bc2e3fd6bfac9744686126edc13b3f8b5e1ebd5a0f6b327b09a916",
    "signature": "0x53f659d508122db0e8b9db25e961fe2a18d7d5ec25b2bcf4e83f3330fc5ddb635f2bdcd533a780cceb0164a029a8c50fb72c54aba867a2cca571d7eb058542801c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}