{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461334",
    "entityType": "User",
    "nonce": "0xc5f78b767936640db0751bf30add84a6a5fa7217310edd67e9e00fe087c30684",
    "signature": "0x25cc25c7e643de0fb36503794cf6d6b56294d86e6d7b8d887d2f1c246798e5cd06d582e4c26697898ff1fe48d0f12e7613d0edc6aff7899721606a1efccb51511b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}