{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94304",
    "entityType": "User",
    "nonce": "0x1c99994ea3c408fcb438f20b1d5e7b650b2e845574b87dc749141b6cf41a3744",
    "signature": "0x862fbd34b00962575aa2cdef031b7bf6a4b2b984d37b7ce230690e2895a895dd283bb1dab27ccc7ee15e5a6d9e19d8724d01dded81ab9df082f5cc6697f1b16e1b",
    "signer": "0xfff42f9478A5Ef81fB49e477248DA9AedE9038aD",
    "userId": "53344"
  }
}