{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105968",
    "entityType": "User",
    "nonce": "0xd7361bf2b5b1fff63415784f4af2a72eb0411a92969d7831132a0a1b9e1ec448",
    "signature": "0x40b806c1a564db43e09bdada08c18cd7f28cf8cf334d1a09a2e839803e04d30c5d0b0395e42e9d3df608abf1977e839976da280bddfac3ac19acdcf0ab1b71d71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}